Weather in Orange County, United States in December

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Visiting Orange County, United States in December

The weather in December is noticeably colder than the previous month. December has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.1hrs making the days quite long and bright. It is not a good time for sunbathing in Orange County.

December has total rainfall of 6.5cm (2.6inches) making it mostly dry with only light showers. There are just 8.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in Orange County for any length of time, unless you have a wetsuit. The sea temperature in December is slightly cooler than the previous month.

Consider visiting Orange County in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Orange County in December?

No, December is not a good time for sunbathing in Orange County.

December has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.1hrs making the days quite long and bright. December has total rainfall of 6.5cm (2.6inches) making it mostly dry with only light showers. There are just 8.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about December temperature and sunshine.

Can you swim in Orange County in December?

No, December is too cold for swimming in Orange County for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.

More about December sea temperatures.

Is December a good time to holiday in Orange County?

Yes, December is a good time for a holiday in Orange County.

December has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.1hrs making the days quite long and bright. December has total rainfall of 6.5cm (2.6inches) making it mostly dry with only light showers. There are just 8.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in Orange County. Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in Orange County for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is Orange County warm in December?

Yes, Orange County is not that warm but sunbathing may be possible on some clear days in December.

The average maximum temperature in Orange County in December is 19°C (66°F). The average maximum temperature is 22°C (72°) in the previous month and 20°C (67°F) in the next month.

The average temperature in Orange County in December is 14°C (57°F). The average temperature is 17°C (63°F) in the previous month and 14°C (57°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Orange County in December?

The average day light hours per day in Orange County in December are 9.9. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

More about December sunshine.

Temperature in Orange County in December

The weather in December is noticeably colder than the previous month. The average maximum temperature in Orange County in December is 19°C (66°F). The average maximum temperature is 22°C (72°F) in the previous month and 20°C (67°F) in the next month.

The average temperature in Orange County in December is 14°C (57°F). The average temperature is 17°C (63°F) in the previous month and 14°C (57°F) in the next month.

The average minimum temperature in Orange County in December is 9°C (48°F). The minimum temperature is 12°C (53°F) in the previous month and 9°C (47°F) in the next month.

Sunshine in Orange County in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 9.9 per day in Orange County. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

The ultraviolet index in Orange County in December is typically 3.3 during December. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Orange County in December

The average sea water temperature in Orange County in December is 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in December is slightly cooler than the previous month.

Rainfall in Orange County in December

December weather is wetter than the previous month and rainfall continues to rise slightly into January. December has a few more days of rain than the previous month. The average total rainfall in Orange County in December is 6.5cm (2.6inches) and on average there are 8.9 rainy days in December making it a quite rainy time to visit the beach.

Humidity in Orange County in December

The maximum dew point (an indicator of humidity) in Orange County in December is 9°C (49°F) which is a bit dry for some. The dew point is 11°C (52°F) in the previous month and 8°C (8°F) in the next month.

The average maximum relative humidity in Orange County in December is typically 81.1%. The maximum relative humidity is 78.8% in the previous month and 79% in the next month.

The average relative humidity in Orange County in December is typically 62.6%. The average relative humidity is 59.5% in the previous month and 59.4% in the next month.

Wind Speed in Orange County in December

The average maximum wind speed in Orange County in December is typically 20KM/H (12MPH). The average maximum wind speed is 20KM/H (12MPH) in the previous month and 21KM/H (13MPH) in the next month.

The average wind speed in Orange County in December is typically 6KM/H (4MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 7KM/H (4MPH) in the next month.

The average wind direction in Orange County in December is from the South.

Monthly Averages

Suggested Beaches in December

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.